swath: IW1
Bperp (average): -105.56490028009546
Bpar (average): 124.13239643349685
swath: IW2
Bperp (average): -95.62879622191456
Bpar (average): 132.0139595753727
swath: IW3
Bperp (average): -86.99122756460937
Bpar (average): 137.9517946036861